Added import of products from Google Sheets.

Added import of products from Google Sheets. Open read access to the required file and specify the resulting link when importing. Scheduled automatic import from Google Sheets is also possible.

Added import of products from Google Sheets.

Added notification of new orders in Viber.
Attention! 08/21/2018 changed the main encoding of the platform
Added the ability to charge Bonuses / Cashback to the client's balance for registration.